17424-7456 HEI 550

 
 
17h 42m 26.92s -74 56' 07.8" P.A. 314 sep 1.8 mag 10.96,11.70
 
 
Coord 2000
17424-7456
Discov num
HEI 550
Comp
Coord arcsec 2000
17 42 26.92 -74 56 07.8
Date first
1989
Date last
1991
Obs
2
Pa first
313
Pa last
314
P.A. Now (θ)
314°
Sep first
1.8
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
10.96
Mag sec
11.70
delta mag (ΔM)
0.74
Spectral class
Pri motion ra
-047
Sec motion ra
-047
Pri motion dec
-090
Sec motion dec
-090
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
314.1
Precise sep
1.84
Constellation
Apus
Tycho2
9301-00864-1
last precise pa
314.1
last precise sep
1.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17424-7456 HEI 550 1991 2 314 1.8 10.96 11.70 174226.92-745607.8

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